package com.spring.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {
    //    shiroFilterFactoryBean:3
    @Bean(name = "shiroFilterFactoryBean")
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager) {
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
//        设置安全管理器
        shiroFilterFactoryBean.setSecurityManager(defaultWebSecurityManager);
        // 添加Shiro的内置过滤器
        /*
            anon：无需认证就可以访问
            authc：必粗认证了才可以访问
            user：必须拥有 记住我 功能才能用
            perms：拥有对某个资源的权限才能访问
         */
//        拦截
        Map<String, String> filterMap = new LinkedHashMap<>();

//        授权，正常情况下，没有授权会跳转到未授权页面
//        拥有perms[user:XXX]权限可以访问对应页面
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");

//        // user路径下的请求都需要认证才可以访问
        filterMap.put("/user/*","authc");
//        filterMap.put("/user/add", "authc");
//        filterMap.put("/user/update", "authc");

        shiroFilterFactoryBean.setFilterChainDefinitionMap(filterMap);

//        设置登录的请求
        shiroFilterFactoryBean.setLoginUrl("/toLogin");
//        设置未授权页面
        shiroFilterFactoryBean.setUnauthorizedUrl("/noauth");

        return shiroFilterFactoryBean;
    }

    //    DafaultWebSecurityManager:2
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
//        关联UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //    创建realm对象，需要自定义类:1
    @Bean
    public UserRealm userRealm() {
        return new UserRealm();
    }

    //整合ShiroDialect：用来整合shiro thymeleaf
    @Bean
    public ShiroDialect getShiroDialect() {
        return new ShiroDialect();
    }



}
